好像很久没有公开文章了...其实还是有写几篇，今天看到别人的博客，突然觉得还是得发点什么证明这个博客没有被废弃！
本文中心：爱奇艺authkey算法
- 下了断点调试，很快就知道这个参数计算的方法了，然后下面是代码
- 传入有两个参数，一个是13位时间戳，一个是tvid
- 实际参与计算还有一个authkey("")，这是个固定值
- 用法是
node authkey.js tm tvid - 然而...它其实就是对字符串进行了md5计算
- 所以最简单的代码就是
md5("d41d8cd98f00b204e9800998ecf8427e"+tm+tvid)
function a(e, t) {
e[t >> 5] |= 128 << t % 32,
e[14 + (t + 64 >>> 9 << 4)] = t;
for (var i = 1732584193, a = -271733879, n = -1732584194, u = 271733878, c = 0; c < e.length; c += 16) {
var f = i
, p = a
, h = n
, _ = u;
i = r(i, a, n, u, e[c + 0], 7, -680876936),
u = r(u, i, a, n, e[c + 1], 12, -389564586),
n = r(n, u, i, a, e[c + 2], 17, 606105819),
a = r(a, n, u, i, e[c + 3], 22, -1044525330),
i = r(i, a, n, u, e[c + 4], 7, -176418897),
u = r(u, i, a, n, e[c + 5], 12, 1200080426),
n = r(n, u, i, a, e[c + 6], 17, -1473231341),
a = r(a, n, u, i, e[c + 7], 22, -45705983),
i = r(i, a, n, u, e[c + 8], 7, 1770035416),
u = r(u, i, a, n, e[c + 9], 12, -1958414417),
n = r(n, u, i, a, e[c + 10], 17, -42063),
a = r(a, n, u, i, e[c + 11], 22, -1990404162),
i = r(i, a, n, u, e[c + 12], 7, 1804603682),
u = r(u, i, a, n, e[c + 13], 12, -40341101),
n = r(n, u, i, a, e[c + 14], 17, -1502002290),
a = r(a, n, u, i, e[c + 15], 22, 1236535329),
i = o(i, a, n, u, e[c + 1], 5, -165796510),
u = o(u, i, a, n, e[c + 6], 9, -1069501632),
n = o(n, u, i, a, e[c + 11], 14, 643717713),
a = o(a, n, u, i, e[c + 0], 20, -373897302),
i = o(i, a, n, u, e[c + 5], 5, -701558691),
u = o(u, i, a, n, e[c + 10], 9, 38016083),
n = o(n, u, i, a, e[c + 15], 14, -660478335),
a = o(a, n, u, i, e[c + 4], 20, -405537848),
i = o(i, a, n, u, e[c + 9], 5, 568446438),
u = o(u, i, a, n, e[c + 14], 9, -1019803690),
n = o(n, u, i, a, e[c + 3], 14, -187363961),
a = o(a, n, u, i, e[c + 8], 20, 1163531501),
i = o(i, a, n, u, e[c + 13], 5, -1444681467),
u = o(u, i, a, n, e[c + 2], 9, -51403784),
n = o(n, u, i, a, e[c + 7], 14, 1735328473),
a = o(a, n, u, i, e[c + 12], 20, -1926607734),
i = s(i, a, n, u, e[c + 5], 4, -378558),
u = s(u, i, a, n, e[c + 8], 11, -2022574463),
n = s(n, u, i, a, e[c + 11], 16, 1839030562),
a = s(a, n, u, i, e[c + 14], 23, -35309556),
i = s(i, a, n, u, e[c + 1], 4, -1530992060),
u = s(u, i, a, n, e[c + 4], 11, 1272893353),
n = s(n, u, i, a, e[c + 7], 16, -155497632),
a = s(a, n, u, i, e[c + 10], 23, -1094730640),
i = s(i, a, n, u, e[c + 13], 4, 681279174),
u = s(u, i, a, n, e[c + 0], 11, -358537222),
n = s(n, u, i, a, e[c + 3], 16, -722521979),
a = s(a, n, u, i, e[c + 6], 23, 76029189),
i = s(i, a, n, u, e[c + 9], 4, -640364487),
u = s(u, i, a, n, e[c + 12], 11, -421815835),
n = s(n, u, i, a, e[c + 15], 16, 530742520),
a = s(a, n, u, i, e[c + 2], 23, -995338651),
i = d(i, a, n, u, e[c + 0], 6, -198630844),
u = d(u, i, a, n, e[c + 7], 10, 1126891415),
n = d(n, u, i, a, e[c + 14], 15, -1416354905),
a = d(a, n, u, i, e[c + 5], 21, -57434055),
i = d(i, a, n, u, e[c + 12], 6, 1700485571),
u = d(u, i, a, n, e[c + 3], 10, -1894986606),
n = d(n, u, i, a, e[c + 10], 15, -1051523),
a = d(a, n, u, i, e[c + 1], 21, -2054922799),
i = d(i, a, n, u, e[c + 8], 6, 1873313359),
u = d(u, i, a, n, e[c + 15], 10, -30611744),
n = d(n, u, i, a, e[c + 6], 15, -1560198380),
a = d(a, n, u, i, e[c + 13], 21, 1309151649),
i = d(i, a, n, u, e[c + 4], 6, -145523070),
u = d(u, i, a, n, e[c + 11], 10, -1120210379),
n = d(n, u, i, a, e[c + 2], 15, 718787259),
a = d(a, n, u, i, e[c + 9], 21, -343485551),
i = l(i, f),
a = l(a, p),
n = l(n, h),
u = l(u, _)
}
return Array(i, a, n, u)
}
function n(e, t, i, a, n, r) {
return l(u(l(l(t, e), l(a, r)), n), i)
}
function r(e, t, i, a, r, o, s) {
return n(t & i | ~t & a, e, t, r, o, s)
}
function o(e, t, i, a, r, o, s) {
return n(t & a | i & ~a, e, t, r, o, s)
}
function s(e, t, i, a, r, o, s) {
return n(t ^ i ^ a, e, t, r, o, s)
}
function d(e, t, i, a, r, o, s) {
return n(i ^ (t | ~a), e, t, r, o, s)
}
function l(e, t) {
var i = (65535 & e) + (65535 & t);
return (e >> 16) + (t >> 16) + (i >> 16) << 16 | 65535 & i
}
function u(e, t) {
return e << t | e >>> 32 - t
}
function c(e) {
for (var t = Array(), i = (1 << h) - 1, a = 0; a < e.length * h; a += h)
t[a >> 5] |= (e.charCodeAt(a / h) & i) << a % 32;
return t
}
function f(e) {
for (var t = p ? "0123456789ABCDEF" : "0123456789abcdef", i = "", a = 0; a < 4 * e.length; a++)
i += t.charAt(e[a >> 2] >> a % 4 * 8 + 4 & 15) + t.charAt(e[a >> 2] >> a % 4 * 8 & 15);
return i
}
var p = 0
, h = 8;
function authkey(e) {
return f(a(c(e), e.length * h))
}
// console.log(authkey(authkey("")+"1558939218094"+"2494954900"))
var args = process.argv.slice(2);
tm = args[0]
tvid = args[1]
console.log(authkey("d41d8cd98f00b204e9800998ecf8427e" + tm + tvid));
大佬666